New gas will take in water from air this stick plunger so will any trash in gas. Adding more solvent to gas help gas has solvent in it but when added Ethanol they did not add more solvent cost reason. You add sea-foam with pale oil. Naphtha already in gas formula as solvent. Sea foam in spring and fall added to full tank gas should do what need to stop failures.

All this depends on clean gas can and fuel tank filter will bypass what plug or stick gum fuel solenoid.

Kohler recently addressed this with the Courage engines. Excessive output from the charging system can cause premature failure -plus 14.7 was the spec they gave. New solenoids for the Courage series are also being sent with heat shields to lessen failures also. Many came w/ a carb grounding strap that should be in place also. If your solenoid had 2 wires, ensure that the 1 is grounded securely and that you have a solid engine ground. Engine mounting bolts like to back out on Commands.

Tomplum - do you know if kohler fix was for the entire courage family or just one or two cylinder designs?

I have it in my notes only in the singles and I recall just the add on shield in the single was shown in the slides. You could pop a twin on parts look up and in that line they will show a bulletin if one has applied. Kohler claims to be real on the ball w/ their updates to the site.

Here is a link that might be useful: Kohler

tnx for the info and link, tomplum.. I have a kohler twin - will ck it out.